🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.49 AU - 0.79 AU

Year: 219 Days

Day: 34.4 Hours

Environment

Temp: 9 °C

Axial Tilt: 35.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 98,829,538 km

• M1: 33,061 km (0.12 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.79 AU - 1.21 AU

Year: 427 Days

Day: 36.3 Hours

Environment

Temp: -43 °C

Axial Tilt: 10.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.58 AU - 1.86 AU

Year: 964 Days

Day: 23.3 Hours

Environment

Temp: -104 °C

Axial Tilt: 49.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 98,829,538 km

• M1: 38,447 km (0.093 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.24

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.76 AU - 2.4 AU

Year: 1282 Days

Day: 34.1 Hours

Environment

Temp: -108 °C

Axial Tilt: 37.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Ice Giant

Semi-Major Axis: 13.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 437.2

Radius: 6.6

Gravity: 10.04 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 12.02 AU - 15.36 AU

Year: 21654 Days

Day: 21.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 98,829,538 km

• M1: 82,129 km (0.112 R)
• M2: 364,720 km (0.098 R)
• M3: 806,781 km (0.111 R)
• M4: 1,012,179 km (0.106 R)
• M5: 2,020,319 km (0.117 R)
• M6: 2,321,759 km (0.048 R)
• M7: 2,890,530 km (0.104 R)
• M8: 5,761,014 km (0.085 R)
• M9: 7,429,479 km (0.087 R)
• M10: 8,603,074 km (0.089 R)
• M11: 13,404,568 km (0.049 R)
• M12: 15,284,564 km (0.105 R)
• M13: 15,588,547 km (0.037 R)
• M14: 17,169,647 km (0.05 R)
• M15: 18,338,156 km (0.118 R)
• M16: 18,768,100 km (0.106 R)
• M17: 19,204,627 km (0.05 R)
• M18: 25,194,974 km (0.065 R)
• M19: 31,949,168 km (0.113 R)
• M20: 33,840,385 km (0.047 R)
• M21: 34,748,145 km (0.082 R)
• M22: 37,430,734 km (0.102 R)
• M23: 43,507,698 km (0.093 R)
• M24: 44,735,149 km (0.029 R)
• M25: 49,378,517 km (0.071 R)
• M26: 50,210,281 km (0.07 R)
• M27: 62,467,433 km (0.083 R)
• M28: 66,418,911 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 71.1

Radius: 6.3

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 10.88 AU - 17.98 AU

Year: 23433 Days

Day: 18.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 98,829,538 km

• M1: 80,334 km (0.089 R)
• M2: 290,968 km (0.087 R)
• M3: 1,086,230 km (0.088 R)
• M4: 1,439,880 km (0.107 R)
• M5: 1,764,357 km (0.098 R)
• M6: 2,713,257 km (0.109 R)
• M7: 5,401,830 km (0.114 R)
• M8: 5,687,561 km (0.038 R)
• M9: 11,533,248 km (0.11 R)
• M10: 15,891,632 km (0.091 R)
• M11: 17,627,416 km (0.055 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 829.8

Radius: 6.4

Gravity: 20.26 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 13.98 AU - 17.66 AU

Year: 26899 Days

Day: 15.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 98,829,538 km

• M1: 81,531 km (0.098 R)
• M2: 327,919 km (0.054 R)
• M3: 834,607 km (0.058 R)
• M4: 1,585,887 km (0.108 R)
• M5: 2,993,005 km (0.072 R)
• M6: 3,596,183 km (0.065 R)
• M7: 4,921,022 km (0.051 R)
• M8: 5,671,106 km (0.095 R)
• M9: 6,027,897 km (0.062 R)
• M10: 7,713,865 km (0.085 R)
• M11: 7,985,834 km (0.085 R)
• M12: 8,434,328 km (0.093 R)
• M13: 9,381,432 km (0.099 R)
• M14: 9,944,518 km (0.051 R)
• M15: 10,864,545 km (0.118 R)
• M16: 11,912,179 km (0.085 R)
• M17: 16,419,713 km (0.096 R)
• M18: 17,236,517 km (0.079 R)
• M19: 20,360,719 km (0.094 R)
• M20: 21,516,363 km (0.115 R)
• M21: 22,937,842 km (0.079 R)
• M22: 23,500,778 km (0.113 R)
• M23: 25,483,997 km (0.08 R)
• M24: 26,209,697 km (0.053 R)
• M25: 26,701,275 km (0.08 R)
• M26: 33,950,788 km (0.103 R)
• M27: 36,784,471 km (0.052 R)
• M28: 41,241,739 km (0.093 R)
• M29: 43,087,179 km (0.089 R)
• M30: 43,428,411 km (0.115 R)
• M31: 44,811,893 km (0.099 R)
• M32: 48,582,507 km (0.093 R)
• M33: 55,126,965 km (0.081 R)
• M34: 63,770,580 km (0.038 R)
• M35: 72,308,580 km (0.057 R)
• M36: 87,994,365 km (0.096 R)
• M37: 91,325,611 km (0.109 R)
• M38: 91,606,855 km (0.068 R)
• M39: 94,739,883 km (0.107 R)
• M40: 98,238,229 km (0.099 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 340 - 15,729 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit